Home / 49,290.12-68,012.50-28,069.80

Finding the Fourth Proportional to 49,290.12, 68,012.50 and 28,069.80

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Solution

The fourth proportional to 49,290.12, 68,012.50 and 28,069.80 is: 38,731.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,290.12 : 68,012.50 = 28,069.80 : x
  2. Step 2: Convert to fraction form
    49,290.12/68,012.50 = 28,069.80/x
  3. Step 3: Cross multiply
    49,290.12x = 68,012.50 × 28,069.80
  4. Step 4: Simplify right side
    49,290.12x = 1,909,097,272.50
  5. Step 5: Solve for x
    x = 1,909,097,272.50/49,290.12
  6. Step 6: Final answer
    x = 38,731.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.